发明名称 A LEARNING BOARD FOR AN INFANT
摘要 PURPOSE: An infant learning board is provided to enable an infant who can understand very well to learn an excellent learning ability. CONSTITUTION: A transparent plate(20) is located at constant intervals in a front base plate(10). A user repetitively writes and erases characters or figures through a marker pen(1). An interval maintaining unit(30) fixes a location in a state that a base place keeps distance from the transparent plate. A learning material(40) is inserted between the base plate and the transparent plate. A support piece(50) is adhered to a lower unit in the base plate and prevents lower separation of the learning material.
申请公布号 KR20130003933(A) 申请公布日期 2013.01.09
申请号 KR20110065587 申请日期 2011.07.01
申请人 LEE, KYU HWI 发明人 LEE, KYU HWI
分类号 G09B19/00;G09B1/30 主分类号 G09B19/00
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